某硫化铜矿浮选厂,已知原矿品位α=1.23%Cu,精矿品位β=22.18%Cu,尾矿品位δ=0.04%Cu,求铜精矿理论产率γ理?
参考答案:
铜精矿理论产率5.37%。
句型转换。
1. When I go into stores I always spend too much money. (对画线部分提问)
when you go into stores?
2. Could you please tell me where I can buy some stamps? (改为同义句)
Could you please tell me ______some stamps?
3. Could you please tell me where I can make a telephone call? (改为同义句)
Could you please tell me where the______ ______?
4. Take the escalator to the third floor. (改为否定句)
______ ______the ______to the third floor.
5. The Greens enjoyed themselves at the mall yesterday. (改为同义句)
The Greens ______ ______ ______at the mall yesterday.
排水当量是将一个()的排水量0.33l/s作为一个排水当量,其他卫生器具排水量与之相比的比值。
A.洗涤盆
B.洗脸盆
C.浴盆
D.大便器